CVE-2026-116861 - Vulnerability Details

Description

Unauthenticated Sensitive Data Exposure in Flexible Chat <= 1.1.0 versions.

Published: 2026-10-30

Score: 7.5 High

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

Impact

The Flexible Chat plugin for WordPress contains an unauthenticated sensitive data exposure flaw that can reveal confidential information stored on the site. This weakness falls under CWE‑201, signifying that improperly protected data is disclosed without proper authentication or authorization controls.

Affected Systems

Any WordPress installation that has wpdesk Flexible Chat version 1.1.0 or earlier is vulnerable; the plugin is frequently used for live chat support on a wide range of sites.

Risk and Exploitability

The vulnerability carries a CVSS score of 7.5, indicating a high level of risk. The EPSS score is not provided, and the CVE is not listed in the CISA KEV catalog. Because the flaw is unauthenticated, an attacker can potentially exploit it from any publicly accessible location by crafting an HTTP request that triggers the data leak, making the attack feasible with minimal or no privileges.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

wpdesk

Flexible Chat

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 1.1.0

No data.

No data available yet.

Remediation

Vendor Solution

Update to 1.1.1 or a higher version.

OpenCVE Recommended Actions

Update Flexible Chat to version 1.1.1 or newer
Temporarily disable or uninstall the Flexible Chat plugin until the update is applied
Monitor website logs for unusual data requests and consider enforcing a web application firewall rule to block potential data exfiltration attempts

Generated by OpenCVE AI on October 30, 2026 at 19:21 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://patchstack.com/database/wordpress/plugin/flexible-chat/vulnerability/wordpress-flexible-chat-plugin-1-1-0-sensitive-data-exposure-vulnerability?_s_id=cve

History

Fri, 30 Oct 2026 18:45:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated Sensitive Data Exposure in Flexible Chat <= 1.1.0 versions.
Title		WordPress Flexible Chat plugin <= 1.1.0 - Sensitive Data Exposure vulnerability
Weaknesses		CWE-201
References		https://patchstack.com/database/wordpress/plugin/flexible-chat/vulnerability/wordpress-flexible-chat-plugin-1-1-0-sensitive-data-exposure-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-10-30T18:30:53.202Z

Updated: 2026-10-30T18:50:06.822Z

Reserved: 2026-10-27T00:20:51.130Z

Link: CVE-2026-116861

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2026-10-30T19:18:15.427

Modified: 2026-10-30T19:22:27.173

Link: CVE-2026-116861

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-10-30T19:30:11Z

Weaknesses

CWE-201
Insertion of Sensitive Information Into Sent Data

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Impact

Affected Systems

Risk and Exploitability

Tracking

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

Subscriptions

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